Average Co-Inventor Count = 2.57
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Bertin & Cie (1 from 107 patents)
2. Etat Fracais (1 from 1 patent)
3. Etat Francais (centre National D'etudes Des Telecommunication) (1 from 1 patent)
3 patents:
1. 5262844 - Apparatus for determining the three-dimensional shape of an object
2. 4964940 - Laser microbeam machine for acting on thin film objects, in particular
3. 4825034 - Microbeam laser machine for acting on objects having thin layers of